Charmonium absorption cross section by nucleon

Details Charmonium absorption cross section by nucleon Charmonium absorption cross section by nucleon

2001-07-23

arxiv.org/abs/nucl-th/0107058v2

Phys. Rev. C 65, 015203 (2002)

Physics

Nuclear Physics

Nuclear Theory

7 pages, revtex, 7 figures

Scientific paper

10.1103/PhysRevC.65.015203

The $J/\psi$ absorption cross section by nucleon is studied using a gauged SU(4) hadronic Lagrangian but with empirical particle masses, which has been used previously to study the $J/\psi$ absorption cross section by pion and rho meson. Including both two-body and three-body final states, we find that with a cutoff parameter of 1 GeV at interaction vertices involving charm hadrons, the $J/\psi-N$ absorption is at most 5 mb and is consistent with that extracted from $J/\psi$ production from both photo-nuclear and proton-nucleus reactions.

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